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18328929269472 = 2532207713063989
BaseRepresentation
bin1000010101011100010010…
…10100010111011011100000
32101220020011121001211122200
410022232021110113123200
54400300121343110342
6102552105512533200
73601135645125543
oct412561124273340
971806147054580
1018328929269472
115927289813918
1220803293b1200
13a2c54516ccc3
144751a6a7885a
1521bb9e18c94c
hex10ab895176e0

18328929269472 has 72 divisors (see below), whose sum is σ = 52125419029320. Its totient is φ = 6109346952960.

The previous prime is 18328929269467. The next prime is 18328929269509. The reversal of 18328929269472 is 27496292982381.

18328929269472 is a `hidden beast` number, since 1 + 8 + 3 + 2 + 8 + 9 + 2 + 92 + 69 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 18328929269472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4450054 + ... + 7514042.

It is an arithmetic number, because the mean of its divisors is an integer number (723964153185).

Almost surely, 218328929269472 is an apocalyptic number.

18328929269472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18328929269472 is an abundant number, since it is smaller than the sum of its proper divisors (33796489759848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18328929269472 is a wasteful number, since it uses less digits than its factorization.

18328929269472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084776 (or 3084765 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 18328929269472 in words is "eighteen trillion, three hundred twenty-eight billion, nine hundred twenty-nine million, two hundred sixty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 20771 41542 62313 83084 124626 166168 186939 249252 332336 373878 498504 664672 747756 997008 1495512 1994016 2991024 3063989 5982048 6127978 9191967 12255956 18383934 24511912 27575901 36767868 49023824 55151802 73535736 98047648 110303604 147071472 220607208 294142944 441214416 882428832 63642115519 127284231038 190926346557 254568462076 381852693114 509136924152 572779039671 763705386228 1018273848304 1145558079342 1527410772456 2036547696608 2291116158684 3054821544912 4582232317368 6109643089824 9164464634736 18328929269472